Home / 92,795.34-128,050.53-54,556.46

Finding the Fourth Proportional to 92,795.34, 128,050.53 and 54,556.46

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Solution

The fourth proportional to 92,795.34, 128,050.53 and 54,556.46 is: 75,283.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,795.34 : 128,050.53 = 54,556.46 : x
  2. Step 2: Convert to fraction form
    92,795.34/128,050.53 = 54,556.46/x
  3. Step 3: Cross multiply
    92,795.34x = 128,050.53 × 54,556.46
  4. Step 4: Simplify right side
    92,795.34x = 6,985,983,617.92
  5. Step 5: Solve for x
    x = 6,985,983,617.92/92,795.34
  6. Step 6: Final answer
    x = 75,283.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.